CN117084769A - A automatic ware that struts of antiskid that is arranged in dislocation of atlantoaxial art to reset - Google Patents

Abstract

The application discloses an anti-skid automatic spreader for resetting in atlantoaxial dislocation, which is characterized in that medical staff can place equipment at a position to be propped up after installing screws to be installed on screw penetrating holes, the medical staff can pull a pull plate outwards, the pull plate can drive a clamping plate to move through a vertical plate after being pulled, the clamping plate can be far away from a side rod, a third spring on the side rod can reset when not blocked, the third spring can push a movable seat, the movable seat can move outwards after being pushed, an extrusion head on the movable seat can extrude a top, and the first support plate and the second support plate can be automatically opened, so that the operation of the medical staff is facilitated.

Description

A automatic ware that struts of antiskid that is arranged in dislocation of atlantoaxial art to reset

Technical Field

The application relates to the technical field of medical equipment, in particular to an anti-slip automatic spreader for resetting in atlantoaxial dislocation.

Background

The spine is composed of a plurality of sections of intervertebral discs and vertebral bodies which are overlapped up and down in a staggered way, when a certain section of intervertebral disc is damaged, the corresponding vertebral bodies, namely spine nail rod operation, are connected through a titanium rod so as to support the weight of a person, wherein the titanium rod is screwed into the corresponding vertebral bodies through screws. In the spine nailing and rod surgery process, a spreader is needed, namely a screw on a titanium rod is screwed into a corresponding vertebral body but is not completely screwed, namely the screw drives the corresponding vertebral body to slide on the titanium rod, then the screw is relatively spread by the spreader until the screw drives the corresponding vertebral body to slide on the titanium rod to a proper position, and then the screw is screwed, so that the titanium rod replaces a damaged intervertebral disc.

The spreader structure used in actual operation is fixed, and is particularly a long-strip spreader, when spreading, medical staff is required to operate the spreader to manually spread, and the spreader and a screw slide easily caused in the spreading process, so that spreading is influenced, operation failure is easily caused, and the use of the medical staff is inconvenient.

Disclosure of Invention

One of the purposes of the application is to provide an anti-slip automatic distractor for reposition in atlantoaxial dislocation.

In order to achieve the above purpose, the application adopts the following technical scheme: the utility model provides an automatic ware that struts of antiskid that resets in atlantoaxial dislocation art, includes first fagging, second fagging, boss and screw wearing mouth, the inside groove has all been seted up on first fagging and the second fagging, the interior seat of sliding connection in the inside groove, be equipped with the third spring on the side reason of interior seat, be equipped with the cardboard on the output direction of third spring, sliding connection is moving the board on the outside inside groove of cardboard, be equipped with the extrusion head on the moving board, be equipped with on the moving direction of extrusion head and stretch the board, be equipped with the top on stretching the board, the top overlap joint is on the extrusion head that corresponds, all be equipped with the fixing base on the side reason of first fagging and second fagging, sliding connection slide bar on the fixing base.

Preferably, the two side edges of the first supporting plate and the second supporting plate are respectively provided with a corresponding fixing seat, the side edge fixing seats of the first supporting plate and the second supporting plate are respectively provided with a corresponding sliding rod, the sliding rod directions of the first supporting plate and the second supporting plate are opposite, and the sliding rod ends of the first supporting plate and the second supporting plate are respectively provided with a first baffle.

Preferably, the sliding rods on the first supporting plate and the second supporting plate are sleeved with corresponding first springs, the first springs are respectively located on the sliding rods between the first baffle plate and the corresponding fixed seat, the moving plate between the first supporting plate and the second supporting plate is connected with a limiting rod in a sliding mode, and the limiting rod and the moving plate are vertically arranged.

Preferably, the movable plate on one side of the limiting rod is provided with guide rods, the guide rods on the movable plate are parallel to the limiting rod, the guide rods inside the movable plate are sleeved with second springs, the outer ends of the second springs are provided with second baffle plates, and the diameter of the second baffle plates is larger than that of the guide rods.

Preferably, the inner walls of the inner grooves of the first supporting plate and the second supporting plate are respectively provided with a guide groove, the guide grooves of the first supporting plate and the second supporting plate are respectively connected with the corresponding inner seat in a sliding manner, the side edges of the inner seats are connected with the corresponding limiting rods and guide rods, and side rods are arranged on the side edges of one side end heads of the inner seats.

Preferably, the corresponding third springs are sleeved on the side rods on the two sides of the inner seat, the clamping plates are connected to the side rods on the outer sides of the third springs in a sliding mode, the clamping plates are provided with clamping openings towards the ends of the side rods, the clamping openings are arranged in a U-shaped mode, and the clamping plates are clamped on the corresponding side rods through the clamping openings.

Preferably, a telescopic rod is arranged at the end of the other side of the clamping plate, a vacancy is formed in the side edge of the inner groove corresponding to the telescopic rod, the telescopic rod is slidably connected in the corresponding vacancy, the telescopic rod and the clamping plate are arranged in a straight line, and the telescopic rod and the side edge of the inner groove are vertically arranged.

Preferably, the inserting rod is arranged on the clamping plate and is vertically connected with the corresponding side end of the clamping plate, a vertical plate is arranged on the outer side of the clamping plate, and a vertical groove is formed in the vertical plate.

Preferably, the vertical groove of the clamping plate is inserted with an inserting rod, the inserting rod is connected inside the vertical groove of the corresponding vertical plate in a sliding mode, and the inserting rod is vertically inserted into the vertical groove.

Preferably, a pull plate is arranged on one side of the vertical plate, the pull plate and the vertical plate are in T-shaped arrangement, the pull plate is located between the first support plate and the second support plate, a pull seat is arranged on one side end of the pull plate, and the pull seat and the pull plate are in L-shaped arrangement.

Compared with the prior art, the application has the beneficial effects that:

this scheme is through seting up the inside groove on first fagging and second fagging, set up the guide slot on the inside lateral wall of inside groove, just mountable inner seat in the guide slot, just accessible guide slot slides along the inner seat on first fagging and the second fagging, be provided with the fixing base on first fagging and the second fagging, be provided with the slide bar on the fixing base, slide bar just slidable connection is on the fixing base that corresponds, all be equipped with the slide bar on first fagging and the second fagging, slide bar orientation on first fagging and the second fagging is opposite, first fagging and second fagging just can slide through the slide bar, be provided with the guide arm on the inner seat, sliding connection is moving plate on the guide arm, just can slide along the guide arm along the extrusion head on the moving plate, the outside that the extrusion head corresponds is equipped with the top, the top is connected on first fagging and the second fagging that corresponds, just can drive the first fagging and the second fagging that correspond when the moving plate outwards moves, the top is extruded, the first fagging and the second fagging carries out, the second fagging can be moved by the first fagging and the second fagging, the second fagging can be moved outside the first fagging, the first side bar is just need to be moved to the first side bar, the first fagging is moved to the outside, the first fagging is just can be moved to the first side bar, the first side bar is just can be moved to the outside the first side bar, the first side bar is different from the side bar, the first side bar is far away from the side bar, and the first side has the screw has the outside, and can be set up automatically, and can be moved outside the first side has the screw, and can be moved outside, and can be set up by the first side case, and has the screw, and has the outside and has the screw and has the outside and can be automatically opposite side.

This scheme is through seting up the bayonet socket on the cardboard, the bayonet socket just can remove to the side lever position, the cardboard just can pass through the bayonet socket joint on the side lever, the cardboard just can realize the spacing to the third spring, be provided with the telescopic link on the opposite side end of cardboard, telescopic link sliding connection is on the side of inside groove, the telescopic link just can stretch out and draw back at inside groove side when the cardboard stretches out and draws back, be provided with the inserted bar on the cardboard, the inserted bar just can peg graft in the vertical groove, the vertical groove is seted up on the riser, be equipped with the arm-tie on the riser, the arm-tie is T type setting with the riser, the arm-tie just can extend between first fagging and second fagging, thereby make things convenient for personnel to the pulling of arm-tie, the pulling seat is L type setting with the arm-tie, thereby be convenient for personnel to pull the arm-tie wholly, through the pulling to the arm-tie, the riser just can drive the riser and remove, the riser just can be pulled the inserted bar through the vertical groove, just can peg-tie down in the vertical groove, thereby can be kept away from the side lever and the side lever is realized to the side lever, thereby can be opened in the side-tie down with the side lever, the second fagging, thereby can be prevented from moving in the vertical groove, the side-tie bar is just has been cut down, thereby, and the second fagging is realized, has been prevented from moving the side-bar.

Drawings

Fig. 1 is a schematic structural diagram of the present application.

Fig. 2 is a schematic structural diagram of the second embodiment of the present application.

Fig. 3 is a schematic diagram of a third embodiment of the present application.

Fig. 4 is a schematic view of the internal structure of the present application.

Fig. 5 is an enlarged view of the area a according to the present application.

Fig. 6 is an enlarged view of the B area according to the present application.

Fig. 7 is an enlarged view of the C region according to the present application.

In the figure: 1. a first stay plate; 2. a second stay plate; 3. screw penetration; 4. a boss; 5. extending the plate; 6. a plug; 7. an extrusion head; 8. a moving plate; 9. a fixing seat; 10. a slide bar; 11. a first spring; 12. a first baffle; 13. a limit rod; 14. a second baffle; 15. a guide rod; 16. a second spring; 17. an inner seat; 18. pulling a plate; 19. a pull seat; 20. a riser; 21. a vertical groove; 22. a telescopic rod; 23. a rod; 24. an inner tank; 25. a third spring; 26. a side bar; 27. a clamping plate; 28. a bayonet; 29. and a guide groove.

Detailed Description

The present application will be further described with reference to the following specific embodiments, and it should be noted that, on the premise of no conflict, new embodiments may be formed by any combination of the embodiments or technical features described below.

In the description of the present application, it should be noted that, for the azimuth words such as terms "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, it is merely for convenience of describing the present application and simplifying the description, and it is not to be construed as limiting the specific scope of protection of the present application that the device or element referred to must have a specific azimuth configuration and operation.

It should be noted that the terms "first," "second," and the like in the description and in the claims are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.

Embodiment one:

as shown in fig. 1 to 7, the anti-slip automatic spreader for reduction in atlantoaxial dislocation according to the present application comprises a first spreader 1, a second spreader 2, a boss 4 and a screw hole 3, wherein inner grooves 24 are formed on the first spreader 1 and the second spreader 2, inner grooves 24 are slidably connected with an inner seat 17, third springs 25 are arranged on side edges of the inner seats 17, a clamping plate 27 is arranged in an output direction of the third springs 25, a moving plate 8 is slidably connected with the outer inner groove 24 of the clamping plate 27, an extrusion head 7 is arranged on the moving plate 8, an extension plate 5 is arranged in a moving direction of the extrusion head 7, a top 6 is arranged on the extension plate 5, the top 6 is lapped on the corresponding extrusion head 7, fixed seats 9 are arranged on side edges of the first spreader 1 and the second spreader 2, the sliding connection is being equipped with slide bar 10 on fixing base 9, medical personnel will need the screw of installing install earlier on screw through hole 3 just can place equipment in the position that needs prop up, medical personnel just can pull arm-tie 18 outside, just accessible riser 20 drives cardboard 27 and removes after the arm-tie 18 is pulled, cardboard 27 just can keep away from side lever 26, just can reset when the third spring 25 on the side lever 26 does not receive the jam, third spring 25 just can promote the removal seat, just can outwards remove after the removal seat is promoted, extrusion head 7 on the removal seat just can extrude top 6, top 6 sets up on corresponding first fagging 1 and second fagging 2, first fagging 1 and second fagging 2 just can open automatically, thereby medical personnel's operation is convenient.

As shown in fig. 2, corresponding fixing seats 9 are respectively arranged on two side edges of the first supporting plate 1 and the second supporting plate 2, corresponding sliding rods 10 are respectively arranged on the side edge fixing seats 9 of the first supporting plate 1 and the second supporting plate 2, the directions of the sliding rods 10 of the first supporting plate 1 and the second supporting plate 2 are opposite, first baffle plates 12 are respectively arranged at the ends of the sliding rods 10 on the first supporting plate 1 and the second supporting plate 2, limiting of the sliding rods 10 can be realized through the first baffle plates 12, and the sliding rods 10 cannot be separated from the fixing seats 9 on the first supporting plate 1 and the second supporting plate 2 when moving.

As an alternative, in an embodiment of the present application, as shown in fig. 3, the sliding rods 10 on the first supporting plate 1 and the second supporting plate 2 are respectively sleeved with the corresponding first springs 11, the first springs 11 are respectively located on the sliding rods 10 between the first baffle 12 and the corresponding fixed seat 9, the moving plate 8 between the first supporting plate 1 and the second supporting plate 2 is slidably connected with the limiting rod 13, the limiting rod 13 is vertically arranged with the moving plate 8, the first springs 11 can conveniently drive the first supporting plate 1 and the second supporting plate 2, and the first supporting plate 1 and the second supporting plate 2 can conveniently retract when not in use.

In practice, the inner groove 24 is formed on the first supporting plate 1 and the second supporting plate 2, the guide groove 29 is formed on the side wall inside the inner groove 24, the inner seat 17 can be installed in the guide groove 29, the first supporting plate 1 and the second supporting plate 2 can slide along the inner seat 17 through the guide groove 29, the fixed seat 9 is arranged on the first supporting plate 1 and the second supporting plate 2, the sliding rod 10 is arranged on the fixed seat 9 and can be connected on the corresponding fixed seat 9 in a sliding manner, the sliding rods 10 are arranged on the first supporting plate 1 and the second supporting plate 2, the sliding rods 10 on the first supporting plate 1 and the second supporting plate 2 face opposite directions, the first supporting plate 1 and the second supporting plate 2 can slide through the sliding rod 10, the guide rod 15 is arranged on the inner seat 17, the moving plate 8 is connected with the moving plate 8 in a sliding manner along the guide rod 15, the extrusion head 7 is arranged on the moving plate 8, the corresponding outer side of the extrusion head 7 is provided with the top head 6, the top head 6 is connected with the corresponding first supporting plate 1 and the second supporting plate 2, the top head 6 can be extruded when the moving plate 8 moves outwards, the corresponding first supporting plate 1 and the corresponding second supporting plate 2 can be driven to extend after the top head 6 is extruded, the length between the first supporting plate 1 and the second supporting plate 2 can be changed, a side rod 26 is arranged on an inner seat 17 between the moving plates 8, a third spring 25 is sleeved on the side rod 26, a clamping plate 27 is clamped on the side rod 26 outside the third spring 25, the third spring 25 can be reset when the clamping plate 27 is far away, the moving plate 8 is pushed outwards, the moving plate 8 can be pushed to enable the first supporting plate 1 and the second supporting plate 2 to be automatically opened, the process does not need the operation of medical staff, the medical staff only needs to install a screw in a screw through hole 3 and then move the clamping plate 27 to realize the automatic opening, the screw is arranged in the screw through hole 3 to prevent the screw from sliding, and the operation can be conveniently performed through the arrangement.

Embodiment two:

as shown in fig. 4 and fig. 5, on the basis of the first embodiment, the present application provides a technical solution: guide rods 15 are arranged on the moving plate 8 on one side of the limiting rod 13, the guide rods 15 on the moving plate 8 are parallel to the limiting rod 13, a second spring 16 is sleeved on the guide rods 15 in the moving plate 8, a second baffle 14 is arranged on the outer end of the second spring 16, the diameter of the second baffle 14 is larger than that of the guide rods 15, the moving plate 8 can be reset through the arrangement of the guide rods 15 and the limiting rods 13, the moving plate 8 can not push the jacking heads 6, and therefore the moving plate 8 is convenient to recycle; the inner walls of the inner grooves 24 of the first supporting plate 1 and the second supporting plate 2 are respectively provided with a guide groove 29, the guide grooves 29 of the first supporting plate 1 and the second supporting plate 2 are respectively connected with the corresponding inner seat 17 in a sliding way, the side edges of the inner seat 17 are connected with the corresponding limiting rods 13 and the corresponding guide rods 15, the side edges of one side end of the inner seat 17 are provided with side rods 26, the clamping connection of the clamping plates 27 can be realized through the arrangement of the side rods 26, and the sleeving connection of the third springs 25 can also be realized; corresponding third springs 25 are sleeved on side rods 26 on two sides of the inner seat 17, clamping plates 27 are slidably connected on side rods 26 on the outer sides of the third springs 25, clamping holes 28 are formed in ends of the clamping plates 27, which face the side rods 26, the clamping holes 28 are arranged in a U-shaped mode, the clamping plates 27 are clamped on the corresponding side rods 26 through the clamping holes 28, blocking of the third springs 25 can be achieved through clamping of the clamping plates 27 on the side rods 26, and accordingly reset of the third springs 25 is prevented.

As an alternative, in this embodiment, as shown in fig. 6 and 7, a telescopic rod 22 is disposed at the end of the other side of the clamping plate 27, a gap is disposed on the side edge of the inner groove 24 corresponding to the telescopic rod 22, the telescopic rod 22 is slidably connected in the corresponding gap, the telescopic rod 22 and the clamping plate 27 are disposed in a straight shape, the telescopic rod 22 and the side edge of the inner groove 24 are vertically arranged, and the telescopic rod 22 can realize the expansion and contraction of the clamping plate 27 through the arrangement of the telescopic rod 22; the clamping plates 27 are provided with inserting rods 23, the inserting rods 23 are vertically connected to the side ends of the corresponding clamping plates 27, the outer sides of the clamping plates 27 are provided with vertical plates 20, the vertical plates 20 are provided with vertical grooves 21, and the inserting of the inserting rods 23 can be realized through the arrangement of the vertical grooves 21; the vertical groove 21 of the clamping plate 27 is internally inserted with the inserting rod 23, the inserting rod 23 is connected inside the vertical groove 21 of the corresponding vertical plate 20 in a sliding way, the inserting rod 23 is vertically inserted into the vertical groove 21, and the inserting rod can be connected with the pulling plate 18 through the vertical plate 20; one side of riser 20 is provided with arm-tie 18, and arm-tie 18 is the T type setting with riser 20, and arm-tie 18 is located between first fagging 1 and the second fagging 2, is equipped with on the end of one side of arm-tie 18 and draws seat 19, draws seat 19 and arm-tie 18 to be L type setting, just can conveniently drive riser 20 through arm-tie 18 to the realization is to the drive of cardboard 27.

In practice, the bayonet 28 is arranged on the clamping plate 27, the bayonet 28 can move towards the side rod 26, the clamping plate 27 can be clamped on the side rod 26 through the bayonet 28, the clamping plate 27 can limit the third spring 25, the telescopic rod 22 is arranged on the end of the other side of the clamping plate 27, the telescopic rod 22 is slidably connected on the side end of the inner groove 24, the telescopic rod 22 can be telescopic on the side end of the inner groove 24 when the clamping plate 27 stretches, the inserting rod 23 is arranged on the clamping plate 27, the inserting rod 23 is vertically connected with the clamping plate 27, the inserting rod 23 can be inserted into the vertical groove 21, the vertical groove 21 is arranged on the vertical plate 20, the pull plate 18 is arranged in a T-shaped manner with the vertical plate 20, the pull plate 18 can extend between the first supporting plate 1 and the second supporting plate 2, thereby make things convenient for personnel to the pulling of arm-tie 18, be provided with pull seat 19 on the outside end of arm-tie 18, pull seat 19 is L type setting with arm-tie 18, just can conveniently control arm-tie 18 through control pull seat 19, thereby be convenient for personnel to pull arm-tie 18 wholly, through the pulling to arm-tie 18, arm-tie 18 just can drive riser 20 and remove, riser 20 just accessible vertical slot 21 is pulled to inserted bar 23, through pulling inserted bar 23, inserted bar 23 just can drive cardboard 27 and keep away from side lever 26, thereby be convenient for reset of third spring 25, thereby realize the promotion to movable plate 8, offer through vertical slot 21, inserted bar 23 just can slide in vertical slot 21, thereby receive the restriction when preventing that first fagging 1 and second fagging 2 from propping open.

The working principle of the application is as follows: by arranging the inner groove 24 on the first supporting plate 1 and the second supporting plate 2, arranging the guide groove 29 on the side wall inside the inner groove 24, installing the inner seat 17 in the guide groove 29, sliding the first supporting plate 1 and the second supporting plate 2 along the inner seat 17 through the guide groove 29, arranging the fixed seat 9 on the first supporting plate 1 and the second supporting plate 2, arranging the slide bar 10 on the fixed seat 9, sliding the slide bar 10 on the corresponding fixed seat 9, arranging the slide bar 10 on the first supporting plate 1 and the second supporting plate 2, sliding the slide bar 10 on the first supporting plate 1 and the second supporting plate 2 in opposite directions, sliding the first supporting plate 1 and the second supporting plate 2 through the slide bar 10, arranging the guide bar 15 on the inner seat 17, sliding the moving plate 8 on the guide bar 15, sliding the moving plate 8 along the guide bar 15, arranging the extrusion head 7 on the moving plate 8, arranging the top head 6 on the outer side corresponding to the extrusion head 7, the jacking head 6 is connected with the corresponding first supporting plate 1 and the second supporting plate 2, the jacking head 6 can be extruded when the movable plate 8 moves outwards, the corresponding first supporting plate 1 and the corresponding second supporting plate 2 can be driven to extend outwards after the jacking head 6 is extruded, the length between the first supporting plate 1 and the second supporting plate 2 can be changed, a side rod 26 is arranged on an inner seat 17 between the movable plates 8, a third spring 25 is sleeved on the side rod 26, a clamping plate 27 is clamped on the side rod 26 outside the third spring 25, the third spring 25 can be reset when the clamping plate 27 is far away, the movable plate 8 is pushed outwards, the movable plate 8 can be pushed to enable the first supporting plate 1 and the second supporting plate 2 to be automatically opened, medical staff is not required to operate the process, the medical staff only needs to install a screw in the screw through hole 3 and then move the clamping plate 27, automatic opening can be achieved, the screw can be prevented from sliding through the screw installation in the screw through hole 3, the operation can be conveniently performed through the arrangement; through seting up bayonet socket 28 on cardboard 27, bayonet socket 28 just can remove to side lever 26 position, cardboard 27 just accessible bayonet socket 28 joint is on side lever 26, cardboard 27 just can realize the spacing to third spring 25, be provided with telescopic link 22 on the opposite side end of cardboard 27, telescopic link 22 sliding connection is on the side of inside groove 24, telescopic link 22 just can stretch out and draw back at inside groove 24 side when cardboard 27 stretches out and draws back, be provided with inserted bar 23 on the cardboard 27, inserted bar 23 is perpendicular to cardboard 27 and is connected, inserted bar 23 just can peg graft in vertical groove 21, vertical groove 21 is seted up on riser 20, be equipped with arm-tie 18 on the riser 20, arm-tie 18 and riser 20 are the T type setting, thereby the pulling of convenient personnel to arm-tie 18 just can be overhanging between first bracing plate 1 and second bracing plate 2, be provided with pulling seat 19 on the outside end of arm-tie 18, pulling seat 19 and arm-tie 18 are L type setting, just can conveniently control arm-tie 18 through controlling pulling seat 19, thereby the convenient personnel to pull arm-tie 18 and take off through the arm-tie rod 21, can drive the axial groove 23 through the vertical groove 21, just can be moved to the side lever 21 through the thrust groove 23, thereby can be kept away from the axial groove 23 when the riser 20, thereby can realize the axial groove is kept away from the axial groove 21, and is convenient for the axial groove is moved to the riser 21, thereby, and can be moved through setting up through the axial groove 23, thereby, and can realize the axial groove 23, and can be kept through the axial groove through the axial bar 21, and can be moved through the axial bar 21, thereby, and can be moved through the axial bar 21, and can be conveniently through the axial bar 21.

The foregoing has outlined the basic principles, features, and advantages of the present application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present application, and various changes and modifications may be made therein without departing from the spirit and scope of the application, which is defined by the appended claims. The scope of the application is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides an automatic ware that struts of antiskid that is arranged in dislocation art of atlantoaxial, includes first fagging (1), second fagging (2), boss (4) and screw through-hole (3), a serial communication port, inside groove (24) have all been seted up on first fagging (1) and second fagging (2), interior seat (17) are being connected in the inside groove (24) sliding, be equipped with third spring (25) on the side of interior seat (17), be equipped with cardboard (27) on the output direction of third spring (25), sliding connection movable plate (8) on outside inside groove (24) of cardboard (27), be equipped with extrusion head (7) on movable plate (8), be equipped with on the movable direction of extrusion head (7) and stretch board (5), be equipped with ram (6) on stretching board (5), ram (6) overlap joint is on extrusion head (7) that correspond, be equipped with on the side edge of first fagging (1) and second fagging (2) respectively, slide fixing base (9) are being equipped with on slide bar (9).

2. A non-slip automatic distractor for reduction in atlantoaxial dislocation surgery as claimed in claim 1, wherein: the novel support structure is characterized in that corresponding fixing seats (9) are arranged on two side edges of the first support plate (1) and the second support plate (2), corresponding sliding rods (10) are arranged on the side edge fixing seats (9) of the first support plate (1) and the second support plate (2), the sliding rods (10) of the first support plate (1) and the second support plate (2) are oppositely arranged, and first baffle plates (12) are arranged at ends of the sliding rods (10) on the first support plate (1) and the second support plate (2).

3. A non-slip automatic distractor for reduction in atlantoaxial dislocation surgery as claimed in claim 2, wherein: the sliding rod (10) on the first supporting plate (1) and the second supporting plate (2) are sleeved with corresponding first springs (11), the first springs (11) are respectively located on the sliding rod (10) between the first baffle (12) and the corresponding fixed seat (9), the limiting rod (13) is connected to the moving plate (8) between the first supporting plate (1) and the second supporting plate (2) in a sliding mode, and the limiting rod (13) and the moving plate (8) are vertically distributed.

4. A non-slip automatic distractor for reduction in atlantoaxial dislocation surgery as claimed in claim 3, wherein: guide rods (15) are arranged on the movable plate (8) on one side of the limiting rod (13), the guide rods (15) on the movable plate (8) are parallel to the limiting rod (13), second springs (16) are sleeved on the guide rods (15) inside the movable plate (8), second baffle plates (14) are arranged on the outer ends of the second springs (16), and the diameter of the second baffle plates (14) is larger than that of the guide rods (15).

5. A non-slip automatic distractor for reduction in atlantoaxial dislocation surgery as claimed in claim 1, wherein: guide grooves (29) are formed in the inner walls of the inner grooves (24) of the first supporting plate (1) and the second supporting plate (2), corresponding inner seats (17) are connected in the guide grooves (29) of the first supporting plate (1) and the second supporting plate (2) in a sliding mode, corresponding limiting rods (13) and guide rods (15) are connected to the side edges of the inner seats (17), and side rods (26) are arranged on the side edges of one side ends of the inner seats (17).

6. A non-slip automatic distractor for reduction in atlantoaxial dislocation surgery as claimed in claim 5, wherein: the novel clamping device is characterized in that corresponding third springs (25) are sleeved on side rods (26) on two sides of the inner seat (17), clamping plates (27) are connected to the side rods (26) on the outer sides of the third springs (25) in a sliding mode, clamping ports (28) are formed in the ends, facing the side rods (26), of the clamping plates (27), the clamping ports (28) are arranged in a U-shaped mode, and the clamping plates (27) are clamped on the corresponding side rods (26) through the clamping ports (28).

7. A non-slip automatic distractor for reduction in atlantoaxial dislocation surgery as claimed in claim 6, wherein: the telescopic rod (22) is arranged on the end of the other side of the clamping plate (27), a vacancy is formed in the side edge of the inner groove (24) corresponding to the telescopic rod (22), the telescopic rod (22) is slidably connected in the corresponding vacancy, the telescopic rod (22) and the clamping plate (27) are arranged in a straight line, and the telescopic rod (22) and the side edge of the inner groove (24) are vertically arranged.

8. A non-slip automatic distractor for reduction in atlantoaxial dislocation surgery as claimed in claim 7, wherein: be provided with inserted bar (23) on cardboard (27), inserted bar (23) connect perpendicularly at cardboard (27) side that corresponds, the outside of cardboard (27) is provided with riser (20), riser (20) have seted up vertical groove (21).

9. A non-slip automatic distractor for reduction in atlantoaxial dislocation surgery as claimed in claim 8, wherein: the vertical groove (21) of the clamping plate (27) is internally inserted with the inserting rod (23), the inserting rod (23) is slidably connected inside the vertical groove (21) of the corresponding vertical plate (20), and the inserting rod (23) is vertically inserted into the vertical groove (21).

10. A non-slip automatic distractor for reduction in atlantoaxial dislocation surgery as claimed in claim 9, wherein: one side of riser (20) is provided with arm-tie (18), arm-tie (18) are T type setting with riser (20), arm-tie (18) are located between first fagging (1) and second fagging (2), be equipped with on the end of one side of arm-tie (18) and draw seat (19), draw seat (19) and arm-tie (18) are L type setting.